UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sa/7HW9yeFpW98qcEp08rH3De94SgtdL/oTdNIKdeoU=' 
WHERE 
  key_id = '974307e216d7d1cbfc56227b40042571849593cf575c0d7c2f127b15418a7b9f' 
  AND (
    token = 'sa/7HW9yeFpW98qcEp08rH3De94SgtdL/oTdNIKdeoU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )